Aquitard: Difference between revisions
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An '''aquitard''' or ''' | An '''aquitard''' or '''aquiclude''' is a zone of earth material that will hold water but not transmit it at a useful rate or fast enough to be pumped from a well. Aquitards often form a confining layer through which little water moves. Clay soils, shale, and igneous or metamorphic rocks with little interconnected [[porosity]] or [[Permeability (fluid)|fractures]] are likely to form aquitards. | ||
Revision as of 15:38, 23 October 2007
An aquitard or aquiclude is a zone of earth material that will hold water but not transmit it at a useful rate or fast enough to be pumped from a well. Aquitards often form a confining layer through which little water moves. Clay soils, shale, and igneous or metamorphic rocks with little interconnected porosity or fractures are likely to form aquitards.